Kate and Hal

Recording by Nathan Barr.

Recording identifiers

ISRC
QZ8BZ2304939
CopyrightID (CopyrightChains transaction hash)
0x42250d4799ab8e629c868f0102ba6d38c56e2042576c902119421d66ea6f3fb5
Copyright registration time
2026-06-07T08:56:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:1a01d0096d57e6cefc2342f4b033febb27f7217f495cc9ee7a4dc52568761601

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.